CN217749690U

CN217749690U - Gear hobbing machine for gear shaft machining

Info

Publication number: CN217749690U
Application number: CN202220452246.2U
Authority: CN
Inventors: 耿林松
Original assignee: Chongqing Ruimai Cnc Technology Co ltd
Current assignee: Chongqing Ruimai Cnc Technology Co ltd
Priority date: 2022-03-04
Filing date: 2022-03-04
Publication date: 2022-11-08
Anticipated expiration: 2032-03-04

Abstract

The utility model provides a gear hobbing machine for gear shaft processing, relates to gear processing technology field, comprising a base plate, bottom plate top one side fixedly connected with curb plate, curb plate top fixedly connected with roof, the bottom plate top is equipped with bottom sprag mechanism, the bottom sprag mechanism top is equipped with radial fixed establishment, be provided with sweeps clearance mechanism on the curb plate, electric putter is installed on the roof top, bottom plate one side is equipped with the organism, radial fixed establishment includes the box body, briquetting and collateral branch brace piece, the flexible end of electric putter and box body fixed connection, the utility model discloses a set up radial fixed establishment, adjust two collateral branch brace pieces and remove in opposite directions, collateral branch brace piece presss from both sides tightly in the both sides of gear shaft, and the ball laminating can provide firm radial support to the gear shaft, makes the gear shaft carry out stable axial rotation, effectively eliminates the radial vibration that produces in gear hobbing processing, ensures the gear shaft machining precision.

Description

Gear hobbing machine for gear shaft machining

Technical Field

The utility model relates to a gear machining technical field especially relates to a gear hobbing machine for gear shaft processing.

Background

The hobbing machine is one of the most widely used gear cutting machines, and can cut straight teeth, helical cylindrical gears, worm gears, chain wheels, etc. The gear shaft refers to a mechanical part, generally a metal round bar, that supports and rotates with a rotating part to transmit motion, torque, or bending moment.

When a gear hobbing machine in the prior art processes a gear shaft, the problem that the stability of radial fixing of the gear shaft is insufficient exists, so that the gear shaft is easy to generate radial vibration in the gear hobbing process, and the processing precision is influenced.

In order to solve the above problems, a gear hobbing machine for gear shaft machining is proposed in the present application.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For solving the technical problem that exists among the background art, the utility model provides a gear hobbing machine for gear shaft processing, through setting up radial fixed establishment, adjust two collateral branch braced blocks and remove in opposite directions, the collateral branch braced block presss from both sides tightly in the both sides of gear shaft, the ball laminating is on the gear shaft, can provide firm radial support to the gear shaft, make the gear shaft carry out stable axial rotation, effectively eliminate the radial vibration that produces during gear shaft hobbing processing, guarantee gear shaft hobbing machining precision, there is the not enough problem of stability to the gear shaft radial fixation in the gear hobbing machine of solving among the prior art.

(II) technical scheme

In order to solve the problems, the utility model provides a gear hobbing machine for processing gear shafts, which comprises a bottom plate, wherein one side of the top end of the bottom plate is fixedly connected with a side plate, the top end of the side plate is fixedly connected with a top plate, the top end of the bottom plate is provided with a bottom supporting mechanism, the top end of the bottom supporting mechanism is provided with a radial fixing mechanism, the side plate is provided with a scrap cleaning mechanism, the top end of the top plate is provided with an electric push rod, and one side of the bottom plate is provided with a machine body;

radial fixed establishment includes the box body, briquetting and collateral branch braced block, electric putter flexible end and box body fixed connection, the briquetting sets up in the box body bottom, the briquetting top is passed through the bearing and is connected with the box body rotation, the collateral branch braced block sets up two, install the ball on the collateral branch braced block lateral wall, collateral branch braced block top fixedly connected with connecting rod, connecting rod top fixedly connected with swivel nut, the slide opening has been seted up to the box body bottom, connecting rod and the inboard sliding connection of slide opening, install two-way screw rod in the box body, swivel nut and two-way screw rod threaded connection.

Preferably, the two side support blocks are symmetrically arranged on both sides of the pressing block.

Preferably, the balls are provided in plurality and are uniformly distributed on the side walls of the side support blocks.

Preferably, both ends of the bidirectional screw are rotationally connected with the inner wall of the box body through bearings, one side of the box body is connected with a hand wheel, and the hand wheel is fixedly connected with the bidirectional screw.

Preferably, the top end of the box body is fixedly connected with a guide rod, and a through hole matched with the guide rod is formed in the top plate.

Preferably, the bottom supporting mechanism comprises a base, a rotary table and a shaft sleeve, the bottom end of the base is fixedly connected with the bottom plate, the rotary table is arranged at the top end of the base, the bottom end of the rotary table is rotatably connected with the base through a bearing, a motor used for driving the rotary table to rotate is arranged inside the base, and the top end of the rotary table is fixedly connected with the shaft sleeve.

Preferably, sweeps clearance mechanism includes base plate and cleaning brush, base plate one side and cleaning brush fixed connection, and one side and curb plate fixed connection that the cleaning brush was kept away from to the base plate.

Preferably, the machine body is provided with a hobbing cutter.

The above technical scheme of the utility model following profitable technological effect has:

1. the utility model discloses a set up radial fixed establishment, adjust two collateral branch supporting blocks and move in opposite directions, collateral branch supporting block presss from both sides tightly in the both sides of gear shaft, and the ball laminating can provide firm radial support to the gear shaft on the gear shaft, makes the gear shaft carry out stable axial rotation, effectively eliminates the radial vibration that produces during gear shaft hobbing processing, ensures gear shaft hobbing machining precision;

2. the utility model discloses a set up sweeps clearance mechanism, the clearance brush laminating can be cleared up the sweeps that the gear hobbing processing produced from the gear shaft on the teeth of a cogwheel of gear shaft, avoids the interference of metal sweeps to the gear hobbing processing production.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the bottom support mechanism of the present invention;

fig. 3 is a schematic view of the overall structure of the radial fixing mechanism of the present invention;

FIG. 4 is a schematic view of the internal structure of the case body of the present invention;

FIG. 5 is a schematic view of the overall structure of the side support block of the present invention;

fig. 6 is the utility model discloses a sweeps clearance mechanism overall structure schematic diagram.

Reference numerals are as follows:

1. a base plate; 2. a side plate; 3. a top plate; 4. a bottom support mechanism; 401. a base; 402. a turntable; 403. a shaft sleeve; 5. a radial fixing mechanism; 501. a case body; 502. pressing into blocks; 503. a side support block; 504. a connecting rod; 505. a threaded sleeve; 506. a slide hole; 507. a bidirectional screw; 508. a hand wheel; 509. a ball bearing; 510. a guide bar; 6. a scrap cleaning mechanism; 601. a substrate; 602. cleaning a brush; 7. an electric push rod; 8. a body; 801. a hobbing cutter.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1-6, the utility model provides a gear hobbing machine for gear shaft processing, which comprises a bottom plate 1, wherein one side of the top end of the bottom plate 1 is fixedly connected with a side plate 2, the top end of the side plate 2 is fixedly connected with a top plate 3, the top end of the bottom plate 1 is provided with a bottom supporting mechanism 4, the top end of the bottom supporting mechanism 4 is provided with a radial fixing mechanism 5, the side plate 2 is provided with a scrap cleaning mechanism 6, the top end of the top plate 3 is provided with an electric push rod 7, and one side of the bottom plate 1 is provided with a machine body 8;

the radial fixing mechanism 5 comprises a box body 501, a pressing block 502 and two side supporting blocks 503, the telescopic end of the electric push rod 7 is fixedly connected with the box body 501, the pressing block 502 is arranged at the bottom end of the box body 501, the top end of the pressing block 502 is rotatably connected with the box body 501 through a bearing, the side supporting blocks 503 are arranged in two numbers, balls 509 are arranged on the side walls of the side supporting blocks 503, the top ends of the side supporting blocks 503 are fixedly connected with connecting rods 504, threaded sleeves 505 are fixedly connected with the top ends of the connecting rods 504, sliding holes 506 are formed in the bottom end of the box body 501, the connecting rods 504 are slidably connected with the inner sides of the sliding holes 506, two-way screw rods 507 are arranged in the box body 501, the threaded sleeves 505 are in threaded connection with the two-way screw rods 507, the two side supporting blocks 503 are adjusted to move oppositely through the radial fixing mechanism 5, the side supporting blocks 503 are clamped on two sides of a gear shaft, the balls 509 are attached to the gear shaft, firm radial support can be provided for the gear shaft, the gear shaft to rotate in a stable axial direction, radial vibration generated in gear shaft hobbing processing can be effectively eliminated, and the precision of the gear shaft hobbing can be guaranteed.

In an alternative embodiment, two side support blocks 503 are symmetrically arranged on two sides of the pressing block 502, and the side support blocks 503 can provide stable support for two sides of the gear shaft.

In an alternative embodiment, a plurality of balls 509 are provided, the balls 509 are uniformly distributed on the side walls of the side support blocks 503, and the balls 509 are used for ensuring stable axial rotation of the gear shaft.

In an alternative embodiment, both ends of the bidirectional screw 507 are rotatably connected with the inner wall of the box body 501 through bearings, a handwheel 508 is connected to one side of the box body 501, the handwheel 508 is fixedly connected with the bidirectional screw 507, and the handwheel 508 is arranged to facilitate the rotation adjustment of the bidirectional screw 507.

In an optional embodiment, a guide rod 510 is fixedly connected to the top end of the box 501, a through hole matched with the guide rod 510 is formed in the top plate 3, and the guide rod 510 can provide a guiding function when the box 501 is lifted, so that the stability of the box 501 is improved.

In an alternative embodiment, the bottom supporting mechanism 4 includes a base 401, a rotating disc 402 and a shaft sleeve 403, the bottom end of the base 401 is fixedly connected to the bottom plate 1, the rotating disc 402 is disposed at the top end of the base 401, the bottom end of the rotating disc 402 is rotatably connected to the base 401 through a bearing, a motor for driving the rotating disc 402 to rotate is disposed inside the base 401, the top end of the rotating disc 402 is fixedly connected to the shaft sleeve 403, the bottom end of the gear shaft is fixed in the shaft sleeve 403, and the rotating disc 402 drives the gear shaft to rotate, so that the gear shaft can rotate relative to the hobbing cutter 801, and the hobbing process can be completed.

In an alternative embodiment, the waste chip cleaning mechanism 6 comprises a base plate 601 and a cleaning brush 602, one side of the base plate 601 is fixedly connected with the cleaning brush 602, one side of the base plate 601, which is far away from the cleaning brush 602, is fixedly connected with the side plate 2, and the cleaning brush 602 is attached to the gear teeth of the gear shaft, so that waste chips generated by the gear hobbing process can be cleaned from the gear shaft.

In an alternative embodiment, the machine body 8 is provided with a hobbing cutter 801, and the hobbing cutter 801 can perform hobbing on a gear shaft by rotating.

The utility model discloses in, bottom sprag mechanism 4 is used for providing the bottom sprag to the gear shaft, the gear shaft bottom mounting is in axle sleeve 403, carousel 402 drives the gear shaft and rotates, can make the gear shaft rotate for hobbing cutter 801, thereby can accomplish the hobbing processing, through setting up radial fixed establishment 5, electric putter 7 promotes box body 501 and moves down, box body 501 pushes down on the gear shaft top, can compress tightly the gear shaft in axle sleeve 403, rotation hand wheel 508 drives two-way screw 507 and rotates, two-way screw 507 can drive two swivel nut 505 phase movements, swivel nut 505 accessible connecting rod 504 drives two collateral branch supporting blocks 503 and moves in opposite directions, connecting rod 504 can slide in slide opening 506, two collateral supporting blocks 503 clamp tightly the both sides at the gear shaft, ball 509 laminates on the gear shaft, can provide firm radial support to the gear shaft, make the gear shaft carry out stable axial rotation, effectively eliminate the radial vibration that gear shaft hobbing processing produced, guarantee gear shaft hobbing processing precision, through setting up guide arm 510, can provide the guide effect when box body 501 goes up and down, improve the stability of box body 501, through setting up and down scrap clearance mechanism 6, clearance brush 602, the clearance can be followed the production of the hobbing on the gear shaft and avoid producing the processing bits of metal.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modifications, equivalents, improvements and the like which are made without departing from the spirit and scope of the present invention should be considered within the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A gear hobbing machine for processing a gear shaft comprises a bottom plate (1), and is characterized in that one side of the top end of the bottom plate (1) is fixedly connected with a side plate (2), the top end of the side plate (2) is fixedly connected with a top plate (3), the top end of the bottom plate (1) is provided with a bottom supporting mechanism (4), the top end of the bottom supporting mechanism (4) is provided with a radial fixing mechanism (5), the side plate (2) is provided with a scrap cleaning mechanism (6), the top end of the top plate (3) is provided with an electric push rod (7), and one side of the bottom plate (1) is provided with a machine body (8); the scrap cleaning mechanism (6) comprises a substrate (601) and a cleaning brush (602), one side of the substrate (601) is fixedly connected with the cleaning brush (602), and the side, far away from the cleaning brush (602), of the substrate (601) is fixedly connected with the side plate (2);

radial fixed establishment (5) are including box body (501), briquetting (502) and collateral branch supporting block (503), electric putter (7) flexible end and box body (501) fixed connection, briquetting (502) set up in box body (501) bottom, briquetting (502) top is passed through the bearing and is connected with box body (501) rotation, collateral branch supporting block (503) set up two, install ball (509) on collateral branch supporting block (503) lateral wall, collateral branch supporting block (503) top fixedly connected with connecting rod (504), connecting rod (504) top fixedly connected with swivel nut (505), slide opening (506) have been seted up to box body (501) bottom, connecting rod (504) and slide opening (506) inboard sliding connection, install two-way screw rod (507) in box body (501), swivel nut (505) and two-way screw rod (507) threaded connection.

2. The gear hobbing machine for gear shaft processing according to claim 1, characterized in that two side support blocks (503) are symmetrically distributed on both sides of the compact (502).

3. The gear hobbing machine for gear shaft processing according to claim 1, wherein a plurality of balls (509) are provided, and the balls (509) are evenly distributed on the side walls of the side support blocks (503).

4. The gear hobbing machine for gear shaft processing according to claim 1, characterized in that both ends of the bidirectional screw (507) are rotatably connected with the inner wall of the box body (501) through bearings, a hand wheel (508) is connected to one side of the box body (501), and the hand wheel (508) is fixedly connected with the bidirectional screw (507).

5. The gear hobbing machine for gear shaft processing according to claim 1, wherein a guide rod (510) is fixedly connected to the top end of the box body (501), and a through hole matched with the guide rod (510) is formed in the top plate (3).

6. The gear hobbing machine for gear shaft processing according to claim 1, wherein the bottom support mechanism (4) comprises a base (401), a turntable (402) and a shaft sleeve (403), the bottom end of the base (401) is fixedly connected with the bottom plate (1), the turntable (402) is arranged at the top end of the base (401), the bottom end of the turntable (402) is rotatably connected with the base (401) through a bearing, a motor for driving the turntable (402) to rotate is arranged inside the base (401), and the top end of the turntable (402) is fixedly connected with the shaft sleeve (403).

7. The hobbing machine for gear shaft processing according to claim 1, characterized in that a hobbing cutter (801) is mounted on the machine body (8).